1 /* 2 * supply.h -- Power Supply Driver for Wolfson WM8350 PMIC 3 * 4 * Copyright 2007 Wolfson Microelectronics PLC 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2 of the License, or (at your 9 * option) any later version. 10 * 11 */ 12 13 #ifndef __LINUX_MFD_WM8350_SUPPLY_H_ 14 #define __LINUX_MFD_WM8350_SUPPLY_H_ 15 16 #include <linux/platform_device.h> 17 18 /* 19 * Charger registers 20 */ 21 #define WM8350_BATTERY_CHARGER_CONTROL_1 0xA8 22 #define WM8350_BATTERY_CHARGER_CONTROL_2 0xA9 23 #define WM8350_BATTERY_CHARGER_CONTROL_3 0xAA 24 25 /* 26 * R168 (0xA8) - Battery Charger Control 1 27 */ 28 #define WM8350_CHG_ENA_R168 0x8000 29 #define WM8350_CHG_THR 0x2000 30 #define WM8350_CHG_EOC_SEL_MASK 0x1C00 31 #define WM8350_CHG_TRICKLE_TEMP_CHOKE 0x0200 32 #define WM8350_CHG_TRICKLE_USB_CHOKE 0x0100 33 #define WM8350_CHG_RECOVER_T 0x0080 34 #define WM8350_CHG_END_ACT 0x0040 35 #define WM8350_CHG_FAST 0x0020 36 #define WM8350_CHG_FAST_USB_THROTTLE 0x0010 37 #define WM8350_CHG_NTC_MON 0x0008 38 #define WM8350_CHG_BATT_HOT_MON 0x0004 39 #define WM8350_CHG_BATT_COLD_MON 0x0002 40 #define WM8350_CHG_CHIP_TEMP_MON 0x0001 41 42 /* 43 * R169 (0xA9) - Battery Charger Control 2 44 */ 45 #define WM8350_CHG_ACTIVE 0x8000 46 #define WM8350_CHG_PAUSE 0x4000 47 #define WM8350_CHG_STS_MASK 0x3000 48 #define WM8350_CHG_TIME_MASK 0x0F00 49 #define WM8350_CHG_MASK_WALL_FB 0x0080 50 #define WM8350_CHG_TRICKLE_SEL 0x0040 51 #define WM8350_CHG_VSEL_MASK 0x0030 52 #define WM8350_CHG_ISEL_MASK 0x000F 53 #define WM8350_CHG_STS_OFF 0x0000 54 #define WM8350_CHG_STS_TRICKLE 0x1000 55 #define WM8350_CHG_STS_FAST 0x2000 56 57 /* 58 * R170 (0xAA) - Battery Charger Control 3 59 */ 60 #define WM8350_CHG_THROTTLE_T_MASK 0x0060 61 #define WM8350_CHG_SMART 0x0010 62 #define WM8350_CHG_TIMER_ADJT_MASK 0x000F 63 64 /* 65 * Charger Interrupts 66 */ 67 #define WM8350_IRQ_CHG_BAT_HOT 0 68 #define WM8350_IRQ_CHG_BAT_COLD 1 69 #define WM8350_IRQ_CHG_BAT_FAIL 2 70 #define WM8350_IRQ_CHG_TO 3 71 #define WM8350_IRQ_CHG_END 4 72 #define WM8350_IRQ_CHG_START 5 73 #define WM8350_IRQ_CHG_FAST_RDY 6 74 #define WM8350_IRQ_CHG_VBATT_LT_3P9 10 75 #define WM8350_IRQ_CHG_VBATT_LT_3P1 11 76 #define WM8350_IRQ_CHG_VBATT_LT_2P85 12 77 78 /* 79 * Charger Policy 80 */ 81 #define WM8350_CHG_TRICKLE_50mA (0 << 6) 82 #define WM8350_CHG_TRICKLE_100mA (1 << 6) 83 #define WM8350_CHG_4_05V (0 << 4) 84 #define WM8350_CHG_4_10V (1 << 4) 85 #define WM8350_CHG_4_15V (2 << 4) 86 #define WM8350_CHG_4_20V (3 << 4) 87 #define WM8350_CHG_FAST_LIMIT_mA(x) ((x / 50) & 0xf) 88 #define WM8350_CHG_EOC_mA(x) (((x - 10) & 0x7) << 10) 89 #define WM8350_CHG_TRICKLE_3_1V (0 << 13) 90 #define WM8350_CHG_TRICKLE_3_9V (1 << 13) 91 92 /* 93 * Supply Registers. 94 */ 95 #define WM8350_USB_VOLTAGE_READBACK 0x9C 96 #define WM8350_LINE_VOLTAGE_READBACK 0x9D 97 #define WM8350_BATT_VOLTAGE_READBACK 0x9E 98 99 /* 100 * Supply Interrupts. 101 */ 102 #define WM8350_IRQ_USB_LIMIT 15 103 #define WM8350_IRQ_EXT_USB_FB 36 104 #define WM8350_IRQ_EXT_WALL_FB 37 105 #define WM8350_IRQ_EXT_BAT_FB 38 106 107 struct wm8350_power { 108 struct platform_device *pdev; 109 }; 110 111 #endif 112